一般现在时现在进行时和一般过去时过去进行时.pptVIP

********Grammar1目录1Presentsimple2Presentcontinuous3Pastsimple4PastcontinuousPresentSimple一般现在时句型结构例句肯定句v原/v+(e)sHeplaystennis.否定句do/doesnot+v原Shedoesn’tplaytennis.疑问句Do/Does…+v原？Doyouplaytennis?Weusethepresentsimpletotalkaboutregularhabitsorrepeatedactions:Igetupreallyearlyandpractiseforanhourorsomostdays.IusetheInternetjustabouteveryday.Wordsthatdescribehowoftenorwhenareoftenused（e.g.always,usually,often,sometimes,rarely,never,everyday,everyevening,generally,normally）.2)totalkaboutpermanentsituationsMyparentsownarestaurant.※Weusedthepresentperfect,notthepresentsimple,tosayhowlongsomethinghascontinued:IhaveworkedtheresinceIwas15.(notIworktheresinceIwas15.)3)totalkaboutfactsorgenerallyacceptedtruthsStudentsdon’tgenerallyhavemuchmoney.Ifyouheatwaterto100℃,itboils.4)togiveinstructionsanddirections:Yougodowntothetrafficlights,thenyouturnleft.Tostarttheprogramme,firstyouclickontheicononthedesktop.5)totellstoriesandtalkaboutfilms,booksandplays:Inthefilm,thetealadyfallsinlovewiththePrimeMinister.PresentContinuous现在进行时句型结构例句肯定句am/is/are+v-ingHe’slivinginThailand.否定句am/is/arenot+v-ingI’mnotlivinginThailand.疑问句Am/Is/Are…+v-ingAretheylivinginThailand?Weusethepresentcontinuoustotalkabouttemporarysituations:I’mstudyingreallyhardformyexams.MycousinislivinginThailandatthemoment.(=hedoesn’tnormallylivethere)Wordslikeatthemoment,currently,now,thisweek/month/yearareoftenused.2)totalkaboutactionshappeningatthemomentofspeaking:I’mwaitingformyfriends.3)totalkabouttrendsorchangingsituations:TheInternetismakingiteasierforpeopletostayintouchwitheachother.Thepriceofpetrolisrisingdramatica